Linear Functions

Question 1

Choose the point-slope form of the equation of this line.

Revolt · Accepted Answer

y + 8 = –5(x – 3)

Question 2

In slope-intercept form, the equation of the line is .

Revolt · Accepted Answer

y = –5x + 7

Question 3

If the technician charged $327.50, then the technician worked hours.

Revolt · Accepted Answer

4.5

Question 4

The slope of the line that contains the points (4, −7) and (1, 5) is .

Revolt · Accepted Answer

-4

Question 5

Choose the equation of a line that is parallel to the given line.

Revolt · Accepted Answer

y = x + 5

Question 6

The slope of line q is:

Revolt · Accepted Answer

–2

Question 7

What is the equation of line q?

Revolt · Accepted Answer

y = –2x – 5

Question 8

What is the equation in slope-intercept form?

Revolt · Accepted Answer

y = 55x + 80

Question 9

What does the y-intercept in this equation represent?

Revolt · Accepted Answer

the flat rate

Question 10

Check each equation whose graph is the line that contains the points (4, –7) and (1, 5).

Revolt · Accepted Answer

y = –4x + 9; y + 7 = –4(x – 4); 4x + y = 9

Linear Functions Answers